I did some digging because I was curious. From the 1860 census [1]: Total Number of slaves: 4m Total Population: 31.4m Percentage of population as slaves: 1

I did some digging because I was curious. From the 1860 census [1]: Total Number of slaves: 4m Total Population: 31.4m Percentage of population as slaves: 12.7% From the 2010 census [2]: Total Population: 309m Total Incarcerated Population: 7m [3] Percentage of population incarcerated: 2.2% OP is absolutely not correct, even if we are generous and assume every incarcerated person is forced into labor. [1]: https://en.wikipedia.org/wiki/1860_United_States_census https://en.wikipedia.org/wiki/1860_United_States_census [2]: https://en.wikipedia.org/wiki/2010_United_States_census https://en.wikipedia.org/wiki/2010_United_States_census [3]: https://en.wikipedia.org/wiki/United_States_incarceration_rate#/media/File:US_adult_correctional_population_timeline.gif https://en.wikipedia.org/wiki/United_States_incarceration_ra...